General

  • Target

    1050e1aa71818d5cd6eeec06ad2b200b7e44ad9e6212862056b649339f19abceN.exe

  • Size

    1.1MB

  • Sample

    250122-w3jv3szmdq

  • MD5

    1075b1022bd6232620e1bbb6c35874e0

  • SHA1

    7f14d8a12b59efc888a35ba402f5ac24a5bed932

  • SHA256

    1050e1aa71818d5cd6eeec06ad2b200b7e44ad9e6212862056b649339f19abce

  • SHA512

    dec70505b4d37ab6ccf6ea3aef6dba179c9cdada9c7fa6c9e0645dd1998c1fddbc5acc833598f68df0badfd561dec0a9210538166335137499a588ace06e996d

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYk:Xu0c++OCvkGs9Fak4BYk

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-VBI2IL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      1050e1aa71818d5cd6eeec06ad2b200b7e44ad9e6212862056b649339f19abceN.exe

    • Size

      1.1MB

    • MD5

      1075b1022bd6232620e1bbb6c35874e0

    • SHA1

      7f14d8a12b59efc888a35ba402f5ac24a5bed932

    • SHA256

      1050e1aa71818d5cd6eeec06ad2b200b7e44ad9e6212862056b649339f19abce

    • SHA512

      dec70505b4d37ab6ccf6ea3aef6dba179c9cdada9c7fa6c9e0645dd1998c1fddbc5acc833598f68df0badfd561dec0a9210538166335137499a588ace06e996d

    • SSDEEP

      24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYk:Xu0c++OCvkGs9Fak4BYk

    • Modifies WinLogon for persistence

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks